what is the meaning write of AC1,AC2,AC3 .....power contactor
Answer Posted / abdul rehman khalid
This applies to all AC devices (loads) with a power factor of at least 0.95 (cos phi greater than or equal to 0.95).
Example of use: resistive load, heating, distribution.
This applies to squirrel cage motors where breaking occurs while the motor is running.
Example of use: all squirrel cage motors, lifts, escalators, conveyors, bucket elevators, compressors, pumps, mixers, air conditioning units, etc.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
how to calculate IR value of 33KV cable ??
in dc shunt motor if field winding is shorted then
All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?
What is the differance between 2 dc motors of armature voltage 660 v and 440 v?
what is the principle of operation of tungstun bulb ??
i am completed diploma in ece,and working in ht and lt lines.so is elligible diploma in ece for get electrical C Licence?plse give ur opinion?
What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.
Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.
The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.
What are the types of feedback oscillators?
How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.
what is the difference between ac motor and dc generator
Explain about Leakage Test.
Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel
Two electric lamps 40 W, 220 V each are connected in series across 220 V. What is the power consumed by the connection?